Quarter	National Currency Units per US Dollar
1960-01-01	0.361554858381514
1960-04-01	0.361286406308223
1960-07-01	0.361185436274687
1960-10-01	0.361163399164192
1961-01-01	0.361163399164192
1961-04-01	0.361105501664804
1961-07-01	0.361098289519551
1961-10-01	0.361062228793288
1962-01-01	0.360961258759751
1962-04-01	0.360946834469246
1962-07-01	0.360888936969857
1962-10-01	0.360701020518553
1963-01-01	0.360679384082796
1963-04-01	0.360686596228048
1963-07-01	0.360672171937543
1963-10-01	0.360643323356532
1964-01-01	0.360664959792290
1964-04-01	0.360672171937543
1964-07-01	0.360708232663806
1964-10-01	0.360657747647038
1965-01-01	0.360657747647038
1965-04-01	0.360917785550868
1965-07-01	0.360737081244816
1965-10-01	0.360765929825827
1966-01-01	0.360751505535322
1966-04-01	0.360773141971079
1966-07-01	0.361091277711666
1966-10-01	0.361206872373076
1967-01-01	0.361308042743981
1967-04-01	0.361373553063359
1967-07-01	0.361250345581960
1967-10-01	0.387704694705885
1968-01-01	0.421950965425777
1968-04-01	0.420827673802684
1968-07-01	0.420798224209569
1968-10-01	0.420857123395798
1969-01-01	0.420935655644105
1969-04-01	0.421339135103514
1969-07-01	0.421073287416009
1969-10-01	0.421862015634328
1970-01-01	0.421457334150710
1970-04-01	0.420857123395799
1970-07-01	0.420611710119842
1970-10-01	0.420582260526727
1971-01-01	0.420582260526727
1971-04-01	0.420562627464650
1971-07-01	0.418906839117073
1971-10-01	0.411586712023047
1972-01-01	0.394544412791140
1972-04-01	0.387849939297778
1972-07-01	0.381514069693364
1972-10-01	0.381546724684368
1973-01-01	0.364574944206043
1973-04-01	0.348555367238429
1973-07-01	0.342811694894202
1973-10-01	0.342267378264998
1974-01-01	0.352536271080500
1974-04-01	0.346912801157149
1974-07-01	0.344329851469875
1974-10-01	0.341922797991818
1975-01-01	0.336732257120992
1975-04-01	0.336399697089899
1975-07-01	0.350043673546252
1975-10-01	0.356768998994306
1976-01-01	0.383431498643716
1976-04-01	0.406378541463825
1976-07-01	0.409061659835162
1976-10-01	0.410197973387184
1977-01-01	0.413621739008490
1977-04-01	0.414945568337080
1977-07-01	0.500699177414767
1977-10-01	0.498090384207005
1978-01-01	0.483693539921227
1978-04-01	0.482298190152216
1978-07-01	0.452882654389993
1978-10-01	0.424967044502943
1979-01-01	0.417078760632906
1979-04-01	0.401268536214986
1979-07-01	0.397295044855537
1979-10-01	0.398701012505059
1980-01-01	0.404518409000757
1980-04-01	0.426349973355130
1980-07-01	0.433456741152100
1980-10-01	0.459899070033937
1981-01-01	0.504886629083376
1981-04-01	0.547700928363364
1981-07-01	0.588598800379840
1981-10-01	0.576844005304934
1982-01-01	0.607183096334227
1982-04-01	0.637189627332428
1982-07-01	0.674153474450976
1982-10-01	0.721150417302738
1983-01-01	0.780914459950557
1983-04-01	0.835794678238153
1983-07-01	0.904136365639738
1983-10-01	0.929512098373661
1984-01-01	0.929163711690487
1984-04-01	0.918994186209577
1984-07-01	0.992825518172603
1984-10-01	1.024766506797450
1985-01-01	1.082029938416290
1985-04-01	1.044936473020570
1985-07-01	1.002433297673280
1985-10-01	0.958850904923892
1986-01-01	0.886984481867465
1986-04-01	0.857501031737446
1986-07-01	0.812735246154524
1986-10-01	0.807649081052492
1987-01-01	0.774473413227876
1987-04-01	0.757620232471482
1987-07-01	0.749260154099504
1987-10-01	0.688098958646360
1988-01-01	0.679117634095817
1988-04-01	0.679475236297926
1988-07-01	0.742073652030019
1988-10-01	0.699466501588675
1989-01-01	0.694564045853217
1989-04-01	0.730714923931901
1989-07-01	0.724844438033649
1989-10-01	0.696217630489745
1990-01-01	0.655787546227848
1990-04-01	0.630990588150445
1990-07-01	0.593239214837787
1990-10-01	0.570731311528614
1991-01-01	0.575815873931701
1991-04-01	0.647042820109064
1991-07-01	0.656124113006303
1991-10-01	0.619604614170263
1992-01-01	0.614184687012930
1992-04-01	0.609394820878359
1992-07-01	0.572134073780246
1992-10-01	0.666012164484993
1993-01-01	0.700944390353355
1993-04-01	0.727642950729028
1993-07-01	0.808945664499016
1993-10-01	0.821445914920726
1994-01-01	0.847640626815557
1994-04-01	0.819784717464210
1994-07-01	0.777152725189219
1994-10-01	0.775897411240529
1995-01-01	0.784625910032495
1995-04-01	0.739600887895216
1995-07-01	0.738475993573177
1995-10-01	0.734800804554870
1996-01-01	0.743519086141062
1996-04-01	0.767028876628242
1996-07-01	0.760667764515444
1996-10-01	0.774494448651529
1997-01-01	0.842339299380156
1997-04-01	0.870119080531615
1997-07-01	0.916179646524748
1997-10-01	0.891183352766058
1998-01-01	0.926514650671731
1998-04-01	0.915167742478334
1998-07-01	0.899605736059524
1998-10-01	0.849854755408107
1999-01-01	0.890865035397459
1999-04-01	0.946297424294416
1999-07-01	0.953590795041067
1999-10-01	0.963498337782132
2000-01-01	1.012899909945490
2000-04-01	1.070799525224050
2000-07-01	1.106582181474620
2000-10-01	1.150102663916010
2001-01-01	1.083835102585110
2001-04-01	1.144416038404250
2001-07-01	1.121785947013650
2001-10-01	1.116487265324860
2002-01-01	1.140732985400200
2002-04-01	1.087412111460310
2002-07-01	1.016582204256970
2002-10-01	0.999533230103932
2003-01-01	0.931511905508824
2003-04-01	0.880365741152534
2003-07-01	0.888370063279689
2003-10-01	0.840405156899637
2004-01-01	0.799904118865737
2004-04-01	0.829705986621947
2004-07-01	0.817877314843600
2004-10-01	0.771960956694930
2005-01-01	0.763091482381730
2005-04-01	0.794589826042209
2005-07-01	0.820007598424589
2005-10-01	0.840788753502769
2006-01-01	0.831325925187165
2006-04-01	0.795617708778127
2006-07-01	0.784593759317170
2006-10-01	0.775251489844097
2007-01-01	0.762709423148500
2007-04-01	0.741796455105816
2007-07-01	0.727338573417244
2007-10-01	0.690097257054422
2008-01-01	0.667464310519917
2008-04-01	0.640181056697950
2008-07-01	0.666884716732543
2008-10-01	0.761399275362319
2009-01-01	0.768604545454546
2009-04-01	0.734309884559885
2009-07-01	0.699093544137022
2009-10-01	0.677193719806763
2010-01-01	0.722664285714286
2010-04-01	0.786976190476190
2010-07-01	0.773787878787879
2010-10-01	0.736745718050066
2011-01-01	0.731408247066943
2011-04-01	0.694783549783550
2011-07-01	0.708233264320221
2011-10-01	0.742209956709957
2012-01-01	0.762537518037518
2012-04-01	0.779816425120773
2012-07-01	0.799138274044796
2012-10-01	0.770532624380451
2013-01-01	0.757865873015873
2013-04-01	0.765691004329004
2013-07-01	0.754941272978230
2013-10-01	0.734692482903570
2014-01-01	0.729664746721877
2014-04-01	0.729257503607504
2014-07-01	0.754988833992094
2014-10-01	0.800869478260870
2015-01-01	0.888312818181818
2015-04-01	0.904120108225108
2015-07-01	0.899525335654683
2015-10-01	0.913848313570487
2016-01-01	0.907330710835059
2016-04-01	0.885569054834055
2016-07-01	0.896160021645022
2016-10-01	0.928066320346321
2017-01-01	0.938476221343874
2017-04-01	0.909275285243742
2017-07-01	0.851432953761214
2017-10-01	0.849244235209235
2018-01-01	0.813750682476943
2018-04-01	0.839484382332643
2018-07-01	0.859573256916996